Key holder



FIG. 1 is a perspective view of a key holder showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a side elevational view, the opposite side view being identical;

FIG. 5 is a front elevational view, the opposite side view being identical. 

The ornamental design for key holder, as shown. 